LG 29LN45, Service Manual

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LGE Internal Use Only

Copyright  © 

  LG Electronics. Inc. All rights reserved.

Only for training and service purposes

ADJUSTMENT INSTRUCTION

1. Application Range

This document is applied to LA31R / LD31S chassis LED TV 

which  is  manufactured  in  TV(or  Monitor)  Factory  or  is 

produced on the basis of this data.

2. Designation

(1)  The  adjustment  is  according  to  the  order  which  is 

designated and which must be followed, according to the 

plan which can be changed only on agreeing.

(2) Power adjustment : Free Voltage.

(3) Magnetic Field Condition: Nil.

(4) Input signal Unit: Product Specification Standard.

(5) Reserve after operation: Above 5 Minutes (Heat Run)

 Temperature : at 25 °C ± 5 °C

 Relative humidity : 65 % ± 10 %

 Input voltage : 110-240 V, 50/60 Hz

(6)  Adjustment equipments: Color Analyzer(CA-210 or CA-110), 

DDC Adjustment Jig equipment, Service remote control.

(7) Push The "IN STOP KEY" – For memory initialization

3. Main PCB check process

* APC - After Manual-Insult, executing APC

* Boot file Download

(1)  Execute  ISP  program  “Mstar  ISP  Utility”  and  then  click 

“Config” tab.

(2)  Set as below, and then click “Auto Detect” and check “OK” 

message.  If  display  “Error”,  Check  connect  computer,  jig, 

and set.

(3)  Click  “Connect”  tab.  If  display  “Can’t”,  Check  connect 

computer, jig, and set.

(4)  Click  “Read”  tab,  and  then  load  download  file(XXXX.bin) 

by clicking “Read”.

(5) Click “Auto” tab and set as below

(6) Click “Run”.

(7) After downloading, check “OK” message.

*

 USB DOWNLOAD(*.epk file download)

(1)  Make New folder named “LG_DTV” and put ISP file(*.epk) 

in the folder.

(2) Put the USB Stick to the USB socket.

(3) Automatically detecting update file in USB Stick

-  If your downloaded program version in USB Stick is Low, 

it didn’t work.

-   But  your  downloaded  version  is  High,  USB  data  is 

automatically detecting

(4) Show the message "Copying files from memory"

(5) Updating is starting.

(6)  Updating  Completed,  The  Multi-vision  will  restart 

automatically.

(7)  If  your TV  is  turned  on,  check  your  updated  version  and 

Tool option. (explain the Tool option, next stage)

    *  If  downloading  version  is  more  high  than  your TV  have, 

TV  can  lost  all  channel  data.  In  this  case,  you  have  to 

channel  recover. if all channel data is cleared, you didn’t 

have a DTV/ATV test on production line.

* After downloading, have to adjust TOOL OPTION again.

(1) Push "ADJ" key in service remote control.

(2) Select "Tool Option 1" and push "OK" key.

(3) Punch in the number. (Each model has their number.)

(4) Completed selecting Tool option.

Case1 : Software version up

1.  After downloading S/W by USB , TV set will reboot 

automatically.

2. Push “In-stop” key.

3. Push “Power on” key.

4. Function inspection

5. After function inspection, Push “In-stop” key.

Case2 : Function check at the assembly line

1.  When TV set is entering on the assembly line, Push 

“In-stop” key at first.

2. Push “Power on” key for turning it on.

→  If you push “Power on” key, TV set will recover 

channel information by itself.

3. After function inspection, Push “In-stop” key.

(1) 

(3) 

(2)                    OK

Please Check the Speed :   
Use the speed under 
200KHz. 

(4) 

filexxx.bin

(6) 

(5) 

(7) ……….OK 

(5)